Yong Peng, Chief Physician, Xijing Hospital, Fourth Military Medical University. He is mainly engaged in clinical radiological diagnosis, especially CT and interventional radiation. He was the first to carry out interventional treatment of breast cancer in China in the early 1990s and achieved good results. Percutaneous discectomy was performed to treat part of lumbar disc herniation. In recent years, percutaneous puncture under the guidance of CT for push disc herniation has been satisfactory. He is good at CT guided percutaneous biopsy of various tumors and interventional treatment in the body, which has clear diagnosis for the majority of patients and relieved the disease. He has authored more than 20 scientific papers and participated in the preparation of 3 monographs. He is currently a member of the Shaanxi Branch of the Radiation Society of the Chinese Medical Association.